Triceps brachii: Difference between revisions
mNo edit summary |
No edit summary |
||
| Line 8: | Line 8: | ||
=== Origin === | === Origin === | ||
Origin of Long Head: Infraglenoid tubercle of the scapula.<br>Origin of Lateral Head: Lateral and posterior surfaces of the | Origin of Long Head: Infraglenoid tubercle of the scapula.<br>Origin of Lateral Head: Lateral and posterior surfaces of the humerus above the radial groove and lateral intermuscular septum.<br>Origin of Medial Head: Posterior surfaces of the humerus below the radial groove and from the medial intermuscular septum.<br> | ||
=== Insertion<br> === | === Insertion<br> === | ||
Posterior surface of the olecranon process of the ulna and antebrachial fascia.<br> | Posterior surface of the olecranon process of the ulna , capsule of the elbow joint and antebrachial fascia.<br> | ||
=== Nerve<br> === | === Nerve<br> === | ||
All the three heads of triceps brachii are innervated by the four branches of radial nerve (C7,C8). However according to the cadaveric study it is found that the medial head of triceps brachii is innervated by the ulnar nerve.<ref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2600974/</ref> | |||
=== Artery<br> === | === Artery<br> === | ||
The muscle is supplied with oxygen and nutrients from the branches of deep brachial artery. | |||
== Function | === Function === | ||
It helps in extension of the elbow joint and also act as an antagonist of the biceps and brachialis<br> | |||
== Assessment == | == Assessment == | ||
Revision as of 13:17, 10 June 2018
Original Editor - Esraa Mohamed Abdullzaher
Top Contributors - Mandeepa Kumawat, Esraa Mohamed Abdullzaher, Lucinda hampton, Joao Costa, Kim Jackson, Sai Kripa, Nikhil Benhur Abburi, WikiSysop and Kirenga Bamurange Liliane
Description[edit | edit source]
Origin[edit | edit source]
Origin of Long Head: Infraglenoid tubercle of the scapula.
Origin of Lateral Head: Lateral and posterior surfaces of the humerus above the radial groove and lateral intermuscular septum.
Origin of Medial Head: Posterior surfaces of the humerus below the radial groove and from the medial intermuscular septum.
Insertion
[edit | edit source]
Posterior surface of the olecranon process of the ulna , capsule of the elbow joint and antebrachial fascia.
Nerve
[edit | edit source]
All the three heads of triceps brachii are innervated by the four branches of radial nerve (C7,C8). However according to the cadaveric study it is found that the medial head of triceps brachii is innervated by the ulnar nerve.[1]
Artery
[edit | edit source]
The muscle is supplied with oxygen and nutrients from the branches of deep brachial artery.
Function[edit | edit source]
It helps in extension of the elbow joint and also act as an antagonist of the biceps and brachialis
Assessment[edit | edit source]
Palpation
[edit | edit source]
length test[edit | edit source]
Treatment[edit | edit source]
strenghening[edit | edit source]
stretching[edit | edit source]
Resources[edit | edit source]
